--We ________ that you would fix the TV set for us.--I’m sorry, but I was too busy, so I ________.

In the front of the hall _______ a group of pupils, who were listening to the lecture attentively.

The story ______, and everybody knows about it. 

Travelling in space has been made __________ possible with the development of science and technology.

With more forests being destroyed, huge quantities of good earth __________ each year, which __________ that our environment is suffering.